User Manual

60
QL Series User Guide
Use the supplied cleaning pen or 70%
isopropyl alcohol on a cotton swab to
clean the print elements from end to end
(the print elements are located in the thin
gray line on the printhead).
Clean thoroughly with the cleaning pen
or 70% isopropyl alcohol and a cotton
swab.
Units with linerless platens: Rotate
media rollers & clean bearing points
only. Avoid use of alcohol on the surface
of the media rollers!
Printhead
(Figure 22)
Peel bar
(Figure 22)
Clean thoroughly with the cleaning pen
or 70% isopropyl alcohol and a cotton
Area Method Interval
As needed
Media Rollers
(Figure 22)
After every five
rolls of media
(or more often,
if needed)
Platen
Roller
(Figure 22)
Rotate the platen roller and clean it
thoroughly with the cleaning pen or
70% isopropyl alcohol and a cotton
swab.
Units with linerless platens: Rotate
platen & clean bearing points only.
Avoid use of alcohol on the surface of
linerless platens!
Tear bar
(Figure 22)
Scraper,
Linerless units
only (Figure 22)
Clean thoroughly with the cleaning pen or
70% isopropyl alcohol and a cotton swab.
Clean thoroughly with the cleaning pen or
70% isopropyl alcohol and a cotton swab.
Exterior
Water-dampened cloth
Interior
(Figure 22)
As needed
After every five
rolls of media
(or more often,
if needed)
After every five
rolls of media
(or more often,
if needed)
Linerless
media requires
more frequent
cleaning
Brush/air blow. Ensure the Bar Sensor, Gap
Sensor and Label Present Sensor windows
are free of dust.
Units with linerless platens:
Clean inside surfaces of edge guides &
media rollers with the supplied cleaning
pen or 70% isopropyl alcohol on a cotton
swab.
QL 420 Cleaning